<?php namespace Zm345\Com\SDK\OpenLib\Copen;use Zmsun\Copen\OpenLib;use Zmsun\Data\Database\Database;abstract class ACopen{protected$openLib;protected$db;protected$tbPrefix;public function __construct(OpenLib$openLib,Database$db,$tbPrefix){$this->openLib=$openLib;$this->db=$db;$this->tbPrefix=$tbPrefix;}abstract public function exec(&$errorMsg="");}?>